
/**
 * Created by 落叶的思恋 on 2016/5/20.
 * 声明两个变量为38.9和27.2作为矩形的长和宽，求出该矩形的面积
 */

import java.util.Scanner;
public class three {
    public static void main(String[] args) {
        Scanner scanf = new Scanner(System.in);
        System.out.println("请输入长宽");
        float fb = scanf.nextFloat();
        float fa = scanf.nextFloat();
        System.out.println("面积是:" + (fa * fb));
    }
}
